BIMA Array observations of Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4)

Details BIMA Array observations of Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4) BIMA Array observations of Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4)

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004dps....36.2506f&link_type=abstract

American Astronomical Society, DPS meeting #36, #25.06; Bulletin of the American Astronomical Society, Vol. 36, p.1126

Astronomy and Astrophysics

Astronomy

Scientific paper

We present interferometric observations of Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4) by the Berkeley-Illinois-Maryland Association (BIMA) Array. During our observations of Comet LINEAR during 11-15 May 2004 we detected HCN with a total beam averaged column density of 2.1(11)x1013 cm-2 and a production rate of 2.8(15)x1027 s-1, CH3OH (methanol) with a total beam averaged column density of 3.0(7)x1014 cm-2 and a production rate of 3.3(7)x1028 s-1, and CS with a total beam averaged column density of 4.4(14)x1012 cm-2 and a production rate of 4.9(16)x1026 s-1. We were also able to set upper limits for 13CO, SiO, HNC, HN13C, CH3CN, C2H5OH (ethanol), C2H5CN (ethyl cyanide), and HCOOCH3 (methyl formate) for Comet LINEAR.
During our observations of Comet NEAT during 19-23 May 2004 we detected HCN with a total beam averaged column density of 5.7(30)x1012 cm-2 and a production rate of 8.3(44)x1026 s-1 and CH3OH with a total beam averaged column density of 8.8(52)x1013 cm-2 and a production rate of 9.3(54)x1027 s-1. We were also able to set upper limits for CS, CH3CN, and 13CO for Comet NEAT.
This work was partly funded by: NASA NAG5-4292, NAG5-4080, NAG5-8708, and NGT5-0083; NSF AST96-13998, AST96-13999, AST96-13716, AST96-15608, AST99-81363, AST02-28953; and the Universities of Illinois, Maryland, and California, Berkeley.

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